code: def test_world_processes_sempre_forms_correctly(self):
      sempre_form = "((reverse fb:row.row.year) (fb:row.row.league fb:cell.usl_a_league))"
      expression = self.world.parse_logical_form(sempre_form)
      # We add columns to the name mapping in sorted order, so "league" and "year" end up as C2
      # and C6.
      assert unicode(expression) == "R(C6,C2(cell:usl_a_league))"
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  from __future__ import print_function
  import pytest
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.data.tokenizers import Token
  from allennlp.semparse import ParsingError
  from allennlp.semparse.contexts import TableQuestionKnowledgeGraph
  from allennlp.semparse.worlds import WikiTablesWorld
label_desc: Use image node_id 3 for calling the TestWikiTablesWorld obj's underlying member method code with example usage: obj.test_world_processes_sempre_forms_correctly() without return types